Home / 641,199.96-962,064.77-281,184.45

Finding the Fourth Proportional to 641,199.96, 962,064.77 and 281,184.45

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Solution

The fourth proportional to 641,199.96, 962,064.77 and 281,184.45 is: 421,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,199.96 : 962,064.77 = 281,184.45 : x
  2. Step 2: Convert to fraction form
    641,199.96/962,064.77 = 281,184.45/x
  3. Step 3: Cross multiply
    641,199.96x = 962,064.77 × 281,184.45
  4. Step 4: Simplify right side
    641,199.96x = 270,517,653,216.83
  5. Step 5: Solve for x
    x = 270,517,653,216.83/641,199.96
  6. Step 6: Final answer
    x = 421,892.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.